Changes to List monitor incidents

added the new urgent enum value to the items/items/severity response property for the response status 200

added subschema #3 to the items/items/condition/anyOf[#/components/schemas/AlertEscalatingCondition]/metric response property oneOf list for the response status 200

added subschema #3 to the items/items/condition/anyOf[#/components/schemas/AlertThresholdCondition]/metric response property oneOf list for the response status 200

removed the required property items/items/kind from the response with the 200 status

removed the required property items/items/monitorAlertId from the response with the 200 status

added the new monitor enum value to the items/items/sourceType response property for the response status 200

added the new signal enum value to the items/items/sourceType response property for the response status 200

added AlertThresholdCondition AlertEscalatingCondition subschema #3 to the items/items/condition response property anyOf list for the response status 200

removed the issue enum value from the items/items/sourceType response property for the response status 200

removed the savedSearch enum value from the items/items/sourceType response property for the response status 200

removed subschema #1 subschema #2 subschema #3 subschema #4 subschema #5 subschema #6 from the items/items/condition response property oneOf list for the response status 200

added subschema #1 subschema #2 subschema #4 subschema #5 to the items/items/condition response property oneOf list for the response status 200

removed subschema #1 subschema #2 from the items/items/condition response property oneOf list for the response status 200

added the new event.matched enum value to the items/items/kind response property for the response status 200

added the new metric.escalating enum value to the items/items/kind response property for the response status 200

added the new metric.threshold enum value to the items/items/kind response property for the response status 200

endpoint added